Halmypaly

I’m having the same problem. The donation does not appear in my post types.

My host is GoDaddy. There are no negative messages. And I get this positive message in Settings: Congratulations! Your site appears compatible with PayPal’s requirements.
cURL: 7.45.0, SSL: OpenSSL/1.0.1e, HTTPS: responds

Here’s my log:
[Seamless Donations Log Data]
2016-08-05 21:25:35 —————————————-
2016-08-05 21:25:35 PREPARING DONATION FORM
2016-08-05 21:25:35 Seamless Donations Version: 4.0.17
2016-08-05 21:25:35 User browser:
2016-08-05 21:25:35 Assigning hidden field session ID to SDS01-F19C5439-7BC4-8299-0981-DEF0CE92F5FC
2016-08-05 21:25:35 Form action via: external php file
2016-08-05 21:25:35 Form action: http://www.test.org/wp-content/plugins/seamless-donations/seamless-donations-payment.php
2016-08-05 21:25:46 dgx-donate-paypalstd-ipn.php called outside of constructor.
2016-08-05 21:25:46 Null IPN (Empty session id). Nothing to do.
2016-08-05 21:25:46 pay/paypalstd/ipn.php called outside of constructor.
2016-08-05 21:25:46 Null IPN (Empty session id). Nothing to do.
2016-08-05 21:26:19 —————————————-
2016-08-05 21:26:19 DONATION TRANSACTION STARTED
2016-08-05 21:26:19 Processing mode: SANDBOX
2016-08-05 21:26:19 PHP Version: 5.4.42
2016-08-05 21:26:19 Seamless Donations Version: 4.0.17
2016-08-05 21:26:19 User browser: Chrome 51.0.2704.103
2016-08-05 21:26:19 IPN (http): https://www.test.org/wp-content/plugins/seamless-donations/dgx-donate-paypalstd-ipn.php
2016-08-05 21:26:19 IPN (https): https://www.test.org/wp-content/plugins/seamless-donations/pay/paypalstd/ipn.php
2016-08-05 21:26:19 Session ID retrieved from _POST: SDS01-F19C5439-7BC4-8299-0981-DEF0CE92F5FC
2016-08-05 21:26:19 Looking for pre-existing session data (guid/audit db mode): SDS01-F19C5439-7BC4-8299-0981-DEF0CE92F5FC
2016-08-05 21:26:19 Duplicate session data not found. Payment process data assembly can proceed.
2016-08-05 21:26:19 Success URL: https://www.test.org/seamless-plugin/?myclearcode?myclearcode&thanks=true
2016-08-05 21:26:19 Saving transaction data using guid/audit db mode
2016-08-05 21:26:19 Name: test test
2016-08-05 21:26:19 Amount: 5
2016-08-05 21:26:19 Preparation complete. Entering PHP post code.
2016-08-05 21:26:19 Checking for repeat. REPEAT value is [].
2016-08-05 21:26:19 Computed RETURN value: ‘https://www.test.org/seamless-plugin/?myclearcode?myclearcode&thanks=true’
2016-08-05 21:26:19 Redirecting to PayPal… now!
2016-08-05 21:26:57 dgx-donate-paypalstd-ipn.php called outside of constructor.
2016-08-05 21:26:57 —————————————-
2016-08-05 21:26:57 PROCESSING PAYPAL IPN TRANSACTION
2016-08-05 21:26:57 Seamless Donations Version: 4.0.17
2016-08-05 21:26:57 IPN chatback attempt via TLS…
2016-08-05 21:26:57 IPN chatback attempt via SSL…
2016-08-05 21:26:57 IPN chatback attempt completed. Checking response…
2016-08-05 21:26:57 IPN failed (unrecognized response) for sessionID SDS01-F19C5439-7BC4-8299-0981-DEF0CE92F5FC
2016-08-05 21:26:57 ==>

2016-08-05 21:26:57 IPN processing complete.